<!--shift+1  快速生成一个html 文件-->
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<!-- 开始标签 -->
<!-- 网页上可见的内容都写在body上 -->
<body>
    hello world!
    <h1>我是傅晓海</h1>
    <h2>My name is Fuxiaohai</h2>
</body>
<!-- 结束标签 -->
</html>